2003-03-31 DTD update

The following changes have been made to the DTD in the 2003-03-31 update. See also the change log.

1. Entities module updated

With the following intended for representation of Arabic characters:

&sdotbelow;
&ddotbelow;
&tdotbelow;
&zdotbelow;
&hdotbelow;
&Sdotbelow;
&Ddotbelow;
&Tdotbelow;
&Zdotbelow;
&Hdotbelow;
&_dotbelow;